@article{MZM_1984_35_2_a8,
     author = {Nguyen Minh Chuong},
     title = {Parabolic pseudodifferential operators of variable order},
     journal = {Matemati\v{c}eskie zametki},
     pages = {221--229},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1984_35_2_a8/}
}